Rick Levine is co-founder of Mancala, Inc. Previously, he was architect of Sun Microsystems' Java Software group. He lives in Boulder, Colorado. Christopher Locke publishes Gradient Reversals from Boulder, Colorado. A noted speaker, he has also written extensively for publications such as Forbes, Internet World, Information Week, and The Industry Standard. Doc Searls is Senior Editor of Linux Journal. He has written for Upside, Omni, and PC Magazine. He co-founded Hodskins Simone & Searls, which became one of the leading advertising agencies in Silicon Valley. He lives in Woodside, California. David Weinberger is the editor of JOHO (Journal of the Hyperlinked Organization). He is a commentator on NPR's "All Things Considered" and has written for Wired, the New York Times, and Smithsonian. He lives in Boston. Craig Newmark is an Internet entrepreneur best known for being the founder of the San Francisco-based website Craigslist. Jake McKee is the Principal and Chief Ant Wrangler at Ant's Eye View, a Dallas-based customer collaboration strategy practice. He was previously Global Community Relations Specialist for the LEGO Company.